*{
    margin:0;
    padding:0;
}
html{
    font-size: 14px;
    font-family: "微软雅黑", Arial, Helvetica, sans-serif;
    color: #333333;
}
a{
    text-decoration: none;
    cursor: pointer;
}
ul{
    list-style: none;
}
h1 { font-size: 18px; /* 18px / 12px = 1.5 */ }
h2 { font-size: 16px; }
h3 { font-size: 14px; }
h4, h5, h6 { font-size: 100%; }